Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783698 | Mixtures of fluorescent whitening agents | Dieter Reinehr, Hanspeter Sauter, Hans Kramer | 2004-08-31 |
| 6719922 | Mixtures of fluorescent whitening agents | Dieter Reinehr, Hanspeter Sauter, Hans Kramer | 2004-04-13 |